A new study using data from NASA’s Hubble Space Telescope found that star formation in the nearby Andromeda galaxy has undergone a 500-million-year decline, with an even steeper drop in the last 40 million years.


A new study using data from NASA’s Hubble Space Telescope found that star formation in the nearby Andromeda galaxy has undergone a 500-million-year decline, with an even steeper drop in the last 40 million years.